import sun.awt.windows.WPrinterJob;

import java.net.BindException;
import java.util.Scanner;

public class ThridMath {
    public static void main(String[] args) {

        Night night=new Night();
        night.fun();


    }

}
class Night{
     void  fun(){
         System.out.println("请输入1-7");
         Scanner input=new Scanner(System.in);
         String num=  input.next();
         switch (num){
             case "1":{
                 System.out.println("星期一");
                 break;
             }
             case "2":
                 System.out.println("星期二");
                 break;
             default:
                 System.out.println("nnnnnnfalse");


         }


    }


}